Cowes, the yachting center the Hamilton-Foster fog-signal, although a sound or ceed. One tube, it will be observed, carries a tele- on the Isle of Wight. It was, however, abandoned, a signal may be heard, its direction is not given. If scopic device by which its length can be varied. principally… … pointing in opposite directions and supported on a timated that the total cost of the project will amount Fig. 3— DIAGRAM SHOWING USE OF TOPOPHONE. to $3,750,000, and that it can be completed within two vertical shaft—see Fig. 1. From the lower ends and a half years. It is proposed to construct a…
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